Students at @PittsburgUSD High School lay on the ground in the rain as part of their "die-in" protesting gunviolence - students stayed on campus during their reg. sched brunch period for their demonstration @KTVU

Students at Marjory Stoneman Douglas High School in Parkland, Florida, where 17 students were killed in a deadly shooting last month, walk out of their classrooms to protest for stricter gun laws as part of NationalWalkoutDay.

Students from Montgomery Blair High School in Silver Spring, Maryland, have already begun walking out of their classrooms to take part in today's national school walkout to protest for stricter gun laws.

Here's Daniel, the 17-year old Maryland student who put all this together. "Tell me the last time thoughts and prayers saved anyone." He wants to shift #NeverAgain to the voting booths in 2018 and 2020.

Students at Fort Lauderdale High School stage a walkout to protest gun violence. "I need someone to explain to me how any of us are supposed to feel safewhen we are in a place that, at any moment, someone can walk in and get shot."